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Method test_transpose

xarray/tests/test_variable.py:1561–1590  ·  view source on GitHub ↗
(self)

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1559 assert_array_equal(expected, actual)
1560
1561 def test_transpose(self):
1562 v = Variable(["time", "x"], self.d)
1563 v2 = Variable(["x", "time"], self.d.T)
1564 assert_identical(v, v2.transpose())
1565 assert_identical(v.transpose(), v.T)
1566 x = np.random.randn(2, 3, 4, 5)
1567 w = Variable(["a", "b", "c", "d"], x)
1568 w2 = Variable(["d", "b", "c", "a"], np.einsum("abcd->dbca", x))
1569 assert w2.shape == (5, 3, 4, 2)
1570 assert_identical(w2, w.transpose("d", "b", "c", "a"))
1571 assert_identical(w2, w.transpose("d", ..., "a"))
1572 assert_identical(w2, w.transpose("d", "b", "c", ...))
1573 assert_identical(w2, w.transpose(..., "b", "c", "a"))
1574 assert_identical(w, w2.transpose("a", "b", "c", "d"))
1575 w3 = Variable(["b", "c", "d", "a"], np.einsum("abcd->bcda", x))
1576 assert_identical(w, w3.transpose("a", "b", "c", "d"))
1577
1578 # test missing dimension, raise error
1579 with pytest.raises(ValueError):
1580 v.transpose(..., "not_a_dim")
1581
1582 # test missing dimension, ignore error
1583 actual = v.transpose(..., "not_a_dim", missing_dims="ignore")
1584 expected_ell = v.transpose(...)
1585 assert_identical(expected_ell, actual)
1586
1587 # test missing dimension, raise warning
1588 with pytest.warns(UserWarning):
1589 v.transpose(..., "not_a_dim", missing_dims="warn")
1590 assert_identical(expected_ell, actual)
1591
1592 def test_transpose_0d(self):
1593 for value in [

Callers

nothing calls this directly

Calls 3

transposeMethod · 0.95
VariableClass · 0.90
assert_identicalFunction · 0.90

Tested by

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